California regulators have not been conducting the intensive workplace-safety inspections of Chevron’s Richmond plant and the state’s 14 other oil refineries that federal standards call for, a Chronicle investigation shows.

West Virginia resident is the third person to die from the rare hantavirus after staying at Yosemite National Park this summer, officials announced Thursday, as they raised to 22,000 the number of people who might have been exposed. All told, eight people have contracted the mouse-borne disease after spending one or more nights at the popular park since June 10.

District Attorney George Gascón will not file criminal charges in the case of a property management firm accused of laundering thousands of dollars in contributions to Mayor Ed Lee’s election campaign last fall, a spokeswoman said Thursday.

His rags-to-riches immigrant journey and good business sense crowned Juvenal Chavez the king of Latino supermarkets in the Bay Area, but now the CEO is fighting to save the reputation of his 21-store Mi Pueblo Foods grocery chain.

The family of the California Highway Patrol officer killed during a traffic stop called him “our hero” Thursday while revealing that his a final act of public service in donating his organs and body tissue could save as many as eight people and help 50 more.